** SPOILER ALERT **
IGN shows you one of the several endings of the Witcher 3: Wild Hunt. To unlock this ending, make mostly positive choices once you reunite with Ciri, and do NOT visit the Nilfgaardian emperor during the mission Blood on the Battlefield.
For more on TW3, check out our full wiki on IGN @http://www.ign.com/wikis/the-witcher-3-wild-hunt